Home / 86,819.58-119,791.71-52,845.75

Finding the Fourth Proportional to 86,819.58, 119,791.71 and 52,845.75

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Solution

The fourth proportional to 86,819.58, 119,791.71 and 52,845.75 is: 72,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,819.58 : 119,791.71 = 52,845.75 : x
  2. Step 2: Convert to fraction form
    86,819.58/119,791.71 = 52,845.75/x
  3. Step 3: Cross multiply
    86,819.58x = 119,791.71 × 52,845.75
  4. Step 4: Simplify right side
    86,819.58x = 6,330,482,758.73
  5. Step 5: Solve for x
    x = 6,330,482,758.73/86,819.58
  6. Step 6: Final answer
    x = 72,915.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.